#include <iostream>
#include <vector>
#include <iomanip>
#include <algorithm>
#include <map>
#include <cmath>
#include <bitset>
#include <string>
#include <queue>
#include <stack>
#include <set>
#include <tuple>
#include <atcoder/all>
#include <sstream> // std::stringstream
#include <regex>
#include <fstream>
using namespace atcoder;
//using mint = modint998244353;
using mint = modint1000000007;
using namespace std;
using ll = long long;
static const double pi = 3.141592653589793;
const int INF = (1 << 29);
const ll mod = 998244353;
// ifstream ifs(""); ファイルはワークスペースのトップにおく

int main() {
    int x;cin >> x;
    vector<string> seasons{"spring","summer","fall","winter"};
    if(x==1 || x== 2) cout << "winter" << endl;
    else cout << seasons[x / 3 - 1] << endl;
}